1123001098 has 4 divisors (see below), whose sum is σ = 1684501650. Its totient is φ = 561500548.

The previous prime is 1123001057. The next prime is 1123001129. The reversal of 1123001098 is 8901003211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 571831569 + 551169529 = 23913^2 + 23477^2 .

It is a super-2 number, since 2×1123001098² = 2522262932218411208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280750273 + ... + 280750276.

Almost surely, 2^1123001098 is an apocalyptic number.

1123001098 is a deficient number, since it is larger than the sum of its proper divisors (561500552).

1123001098 is an equidigital number, since it uses as much as digits as its factorization.

1123001098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561500551.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1123001098 is about 33511.2085428144. The cubic root of 1123001098 is about 1039.4255635665.

The spelling of 1123001098 in words is "one billion, one hundred twenty-three million, one thousand, ninety-eight".